Carl Sagan discuses Johannes Kepler's Somnium (The Dream), written between 1620 and 1630, it's berkata to have been called the first piece of science fiction.
A membaca of Carl Sagan's Pale Blue Dot oleh bintang Trek's Robert Picardo, who also serves as a member of The Planetary Society Board of Directors and is the host of our monthly email newsletter, The Planetary Post.